Question

What is one dimensional motion ? Please give an expressive definition

Answer 1

One dimensional motion is motion along a straight line with constant or changing speed. The line used for this motion is often the familiar x-axis, or x number line. The object may move forward or backward along this line: Forward is usually considered positive movement, and this movement is usually considered to be to the right.

Answer 2

When body tavls distance in straight line thus motion describes as one dimensional motion.
Ex- A man walks straight.